The QG030-148/12 from EBM-Papst is a DC-powered cross-flow fan (tangential blower) with dimensions of 203.5 × 47.5 × 50.0 mm. It delivers up to 71 m³/h at free air flow and is designed for efficient and quiet air circulation in compact installations. Its compact size and versatile mounting position make it easy to integrate into a variety of applications.
The fan is ideal for control cabinets, medical equipment, and electronics cooling where a smooth, tangential airflow is required in a confined space. It is intended for installation in protected environments with controlled temperature and humidity.
- Voltage: 12 V DC (range 8–14 V)
- Airflow: 71 m³/h at free air flow
- Speed: 4,450 rpm
- Power: 7.1 W | Rated current: 510 mA
- Motor protection: PTC – protection against reverse polarity and locked rotor
- Bearings: ball bearing (motor), plain bearing (rotor)
- Housing: metal scroll with tongue, plastic side panels
- Connection: 300 mm cable with speed signal (TTL compatible)
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 71 m³/h |
| Speed | 4450 rpm |
| Power | 7.1 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan has a scroll with metal tongue and plastic side parts. The dimensions are 203.5 mm (width) × 47.5 mm (height) × 50.0 mm (depth) and the weight is 0.235 kg. The mounting position for the shaft is optional. The unit is intended for installation in protected environments with controlled temperature and humidity. |
| Casing | metal (spiral with tongue), plastic (side parts) |
| Impeller | The fan impeller is of a cross-flow type, made of metal. The rotor is coated with an electrophobic surface treatment for corrosion protection. The bearings in the rotor are of a plain bearing type. At 4,450 rpm and free air flow, the fan delivers a maximum air flow of 71 m³/h. |
| Bearing type | ball bearings (engine), plain bearings (rotor) |
| Motor protection | PTC (overload and locked rotor protection) |
| Motor code | QG030-148/12 |
| Rotation direction | clockwise (viewed from the engine side) |
| Motor type | The motor is a cross-flow DC motor with a rated voltage of 12 V DC and a voltage range of 8–14 V. Power consumption is 7.1 W and current consumption is 510 mA at free airflow and nominal voltage. The motor is equipped with PTC protection against reverse polarity and locked rotor. The speed at nominal voltage and free airflow is 4,450 rpm. |
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